package com.kuang.dao;

import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@Repository
//员工dao
public class EmployDao {
    //模拟数据库的数据
    private static Map<Integer, Employee> employees=null;
    //员工有所属部门
    @Autowired
    private DepartmentDao departmentDao;
    static {
        //创建一个部门表
        employees=new HashMap<Integer, Employee>();

        employees.put(1001,new Employee(1001,"AA","1234560@QQ.COM",0,new Department(101,"后勤部")));
        employees.put(1002,new Employee(1002,"BB","12345600@QQ.COM",1,new Department(101,"教研部")));
        employees.put(1003,new Employee(1003,"CC","123456000@QQ.COM",0,new Department(101,"市场部")));
        employees.put(1004,new Employee(1004,"DD","1234560000@QQ.COM",1,new Department(101,"学习部")));
        employees.put(1005,new Employee(1005,"EE","12345600000@QQ.COM",0,new Department(101,"6666部")));
    }

    //主键自增
    private static Integer initId = 1006;
    //增加一个员工
    public void save(Employee employee){
        if (employee.getId()==null){
            employee.setId(initId++);
        }

        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));

        employees.put(employee.getId(),employee);
    }

    //查询员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //通过id删除员工
    public void delete(Integer id){
        employees.remove(id);
    }
}
